test (6) modèle (6) Example (6) Evidence (6) marché (4) Exchange (4) Business enterprises (4) Addition (4) Testing (3) Testing (3) Examinations--Validity (3) Examinations--Interpretation (3) Behavior (3) volatilité (2) papier (2) opinion (2) industrie (2) financement (2) effet (2) dispersion (2) dette (2) index (2) Economic conditions (2) Labor (2) Year (2) Labor unions (2) Social hierarchy in animals (2) Securities (2) Paper (2) Negotiation (2)